Method for the preparation of orthoesters of titanium, zirconium

Details Method for the preparation of orthoesters of titanium, zirconium Method for the preparation of orthoesters of titanium, zirconium

1986-06-25

1988-12-06

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 56, C07F 700, C07F 728

Patent

active

047897520

ABSTRACT:
The present invention relates to the esterification of the halides of titanium, zirconium or hafnium. The esterification takes place in two steps. The first step is performed in the absence of acid acceptors, and the alcohol is introduced into the metal halide dissolved in a solvent, without any appreciable contact with the gas phase. The reactor must be held at the boiling temperature. In this step at least half of the alcohol needed for the entire reaction is used. The second esterification step is performed in a known manner with the addition of acid acceptors after the hydrogen halide that formed in the first esterification step has been removed.

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